Sachin throws a ball vertically upwards The ball returns to sachin after 6 sec Can you find : - Science -

Question

Sachin throws a ball vertically upwards The ball returns to sachin
after 6 sec Can you find :
1) the velocity with which sachin throws the ball
2) the maximum height it reaches
3) its position after 4 sec

Vara · Accepted Answer

(1)Time of flight, T=2ugVelocity of projection:u=gT2  =9
8×62   =29
4 m/s(2)Maximum height:H=u22g   =29
422×9 8   =44
1 m(3)Position after 4 sec:S=ut-12gt2   =29
4×4-12×9 8×42   =39
2 m from the ground

Sachin throws a ball vertically upwards. The ball returns to sachin after 6 sec. Can you find :1) the velocity with which sachin throws the ball2) the maximum height it reaches3) its position after 4 sec

Sachin throws a ball vertically upwards. The ball returns to sachin after 6 sec. Can you find :
1) the velocity with which sachin throws the ball
2) the maximum height it reaches
3) its position after 4 sec